Zero Visibility Operations Planning - DrillSafe

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Petrel 7 Shallow Seismic Main Line Petrel 7 Location 8m 200m Ancient River Channel In-filled with recent sediments 6
NW Field Seismic Main Line Multiple Ancient River Channels In-filled with recent sediments 7
Page 1 and 2: Petrel-7 Zero Visibility Operations
Page 3 and 4: What Causes Zero Visibility at Petr
Page 5: Seabed Survey Water Depth ~98m LAT
Page 9 and 10: Impact of Environment on Operations
Page 11 and 12: Impact of Environment on Operations
Page 13 and 14: Solution Criteria • To overcome t
Page 15 and 16: Recommended Solution - Positioning
Page 17 and 18: USBL vs LBL • Ultra-short Baselin
Page 19 and 20: Operational Challenges • Deployin
Page 21 and 22: Installation of the LBL Array • B
Page 23 and 24: Multi-Beam Sonar • Initial result
Page 25 and 26: Actual Results - Running Casing 25
Page 27 and 28: Acoustic Inclinometers • Inclinom
Page 29 and 30: Lessons • Allow time to field tri

Zero Visibility Operations Planning - DrillSafe

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